HP StorageWorks 2000 Modular Smart Array Reference Guide (481599-003, August 2008)

Chapter 3 Managing Storage 93
■ Power Supply Failure Trigger – Changes to write-through if a power supply unit
fails. The default is Disabled.
■ Fan Failure Trigger – Changes to write-through if a cooling fan fails. The default
is Disabled.
■ Overtemp Failure Trigger – Forces a controller shutdown if a temperature is
detected that exceeds system threshold limits. The default is Disabled.
4. Under Auto-Write Through Behaviors, select the options to enable:
■ Revert when Trigger Condition Clears – Changes back to write-back caching
after the trigger condition is cleared. The default is Enabled.
■ Notify Other Controller – Notifies the partner controller that a trigger condition
occurred. Enable this option to have the partner also change to write-through
mode for better data protection. Disable this option to allow the partner continue
using its current caching mode for better performance. The default is Disabled.
5. Click Change SCSI Configuration Options.
Deleting a Volume
You can delete a volume when you no longer need it and you want to use the space
for another purpose.
Caution – Deleting a volume removes its mappings and deletes its data.
To delete a volume:
1. Select Manage > Volume Management > Volume Menu > Delete Volume.
For each virtual disk, the virtual disk panel shows a status icon; the name, RAID
level, size, number of disk drives, and number of volumes; and utility status, if any.
2. Select a virtual disk.
The selected virtual disk’s volume names, sizes, and types are displayed, and the
amount of free space.
3. Select the volume to delete.
4. Click Delete Volume.
A confirmation prompt is displayed.